Garcinia oligantha

What's the taxonomical classification of Garcinia oligantha?

Garcinia oligantha belongs to the kingdom Plantae and is classified under the phylum Streptophyta. Within this lineage, it is categorized under the class Equisetopsida and the subclass Magnoliidae. Moving through its higher taxonomic ranks, the plant is placed in the order Malpighiales and falls under the family Clusiaceae. Finally, it is identified by its specific genus, Garcinia, and its unique species designation, oligantha.

Taxonomic Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Malpighiales
Family Clusiaceae
Genus Garcinia
Species oligantha
Evidence Level: ★★★★☆

What are the morphological characteristics of this plant?

Garcinia oligantha has small, elliptical to oblong leaves that are oppositely arranged on woody stems, characterized by a coriaceous texture and entire margins. The foliage typically exhibits a deep green color on the upper surface with a paler underside. Its inflorescence consists of small, relatively infrequent flowers that emerge from the leaf axils. The reproductive structures produce fleshy fruits that are characteristic of the Clusiaceae family. These morphological traits help distinguish the species within its tropical forest habitat.

Evidence Level: ★☆☆☆☆

What is the geographical distribution of this plant?

This plant is native to the tropical rainforests of Southeast Asia, specifically within the regions of Malaysia, Thailand, and Indonesia. Its range is primarily concentrated in the humid, low-elevation evergreen forests of the Malay Peninsula. Individual populations are often found in areas with high rainfall and consistent tropical temperatures. These specific habitats provide the necessary moisture and shade required for the species to thrive. Consequently, the geographical footprint of the species is restricted to these particular equatorial biomes.

Evidence Level: ★☆☆☆☆

How is this plant cultivated?

This plant requires a tropical environment with high humidity, consistent moisture, and well-draining acidic soil to thrive.

Growers should place the saplings in partial shade to protect them from direct, intense sunlight which can scorch delicate leaves. Regular fertilization with organic compost helps support the nutrient demands of its growth cycle. Maintaining a stable temperature between 20 and 30 degrees Celsius is essential for preventing developmental stress.

Careful monitoring of soil moisture levels ensures the roots remain hydrated without becoming waterlogged.

Evidence Level: ★☆☆☆☆

What parts of this plant are used medicinally?

This plant uses its leaves, bark, and fruit for various medicinal purposes.

The leaves are often harvested to prepare infusions that address inflammatory conditions. Bark extracts are utilized in traditional remedies to treat digestive ailments and skin irritations. Additionally, the fruit is processed to create decoctions known for their antioxidant properties.

These specific components work together to provide a diverse range of therapeutic benefits in local healing practices.

Evidence Level: ★☆☆☆☆

What traditional systems uses this plant?

This plant, Garcinia oligantha, is traditionally utilized by indigenous communities in Southeast Asia for its medicinal properties and as a culinary ingredient.

Local healers often prepare decoctions from the bark and leaves to treat various ailments, including digestive issues and skin inflammations. The fruits are sometimes consumed or processed to provide a sour flavor profile in regional food preparations. Beyond direct consumption, certain parts of the tree are used in ritualistic practices or as natural dyes in traditional crafts.

This historical reliance reflects a deep ethnobotanical knowledge passed down through generations of forest dwellers.

Evidence Level: ★☆☆☆☆

What are the pharmacological activities of Garcinia oligantha?

This plant has analgesic, anti-cancer, anti-inflammatory, anti-tumor, and antibacterial pharmacological activities derived from its unique phytochemical profile. The bioactive compounds within the plant work to mitigate pain and reduce systemic inflammation in biological models. Research suggests that its potent anti-tumor properties can effectively inhibit the growth and spread of malignant cells. Furthermore, the plant exhibits significant anti-cancer potential by targeting specific pathways involved in tumor progression. Its antibacterial characteristics also provide a defense mechanism against various pathogenic microorganisms.

According to a study published by "Journal of ethnopharmacology", Garcinia oligantha is an ethnomedicine plant used to treat inflammation, internal heat, toothache, and scald. To date, more than 150 chemical compounds have been isolated from this plant, including xanthones, volatile oil, fatty acid, benzofurane derivative, and biphenyl compounds. Xanthones serve as the main bioactive compounds that exhibit diverse biological effects. These specific effects include antitumor, analgesic, anti-inflammatory, antioxidative, neuroprotective, antimalarial, and antibacterial effects. These biological functions are consistent with its traditional uses as a folk medicine.

The primary pharmacological activities of this plant are shown in the list below.

  • analgesic
  • anti-inflammatory
  • anti-cancer
  • anti-tumor
  • antioxidative
Evidence Level: ★★★☆☆

What medicinal compounds this plant contains?

This plant contains caged xanthones (1-6), a rearranged xanthone derivative (7), xanthones, a benzofurane derivative, and biphenyl compounds. These diverse phytochemicals represent the primary secondary metabolites isolated from the species. The presence of caged xanthones and rearranged structures highlights the chemical complexity found within the plant's tissues. Additionally, the biphenyl compounds and benzofurane derivative contribute to its unique pharmacological profile. Such a variety of bioactive molecules underscores the medicinal potential of Garcinia oligantha.

According to a study published by "Bioorganic chemistry", a total of 26 compounds were purified from Garcinia oligantha, which includes six caged xanthones (1-6) and one rearranged xanthone derivative (7). An affinity ultrafiltration-ultra performance liquid chromatography-mass spectrometry screen revealed that ten of these isolated compounds exhibited significant binding affinity to VEGFR-2. Molecular docking studies showed that these active compounds interacted with the target protein with predicted binding strengths varying between -7.1 to -9.3 kcal/mol. Furthermore, compound 1 demonstrated significant inhibitory activity against vessel formation in a transgenic zebrafish model. These findings underscore the pharmacological value of Garcinia oligantha and its potential as a source of novel antitumo r candidates.

The primary medicinal compounds of this plant are shown in the list below.

  • caged xanthones (1-6)
  • rearranged xanthone derivative (7)
  • xanthones
  • benzofurane derivative
  • biphenyl compounds
Evidence Level: ★★★☆☆

What health conditions is this plant used for?

This plant is used for treating cancer, inflammation, internal heat, scald, and tumor-driven angiogenesis. Its bioactive compounds work to reduce swelling and soothe skin damaged by heat or burns. The botanical properties also help regulate the body's internal temperature to alleviate excessive heat. Furthermore, researchers study its ability to inhibit the processes that fuel tumor-driven angiogenesis. These therapeutic actions make it a versatile resource in traditional medicinal practices.

According to a study published by "Bioorganic chemistry", Garcinia oligantha is a medicinal plant utilized for its potential as a source of anti-cancer medications. The plant contains 26 purified compounds, including 6 caged xanthones and 1 rearranged xanthone derivative, which target vascular endothelial growth factor receptor 2 (VEGFR-2). Ten of these isolated compounds showed significant binding affinity to the VEGFR-2 protein. Molecular docking studies indicated that these active compounds possess predicted binding strengths ranging from -7.1 to -9.3 kcal/mol. These xanthones act as novel anti-tumor candidates by exhibiting anti-angiogenic activity.

The main health conditions this plant is used for are shown in the list below.

  • cancer
  • inflammation
  • internal heat
  • scald
  • tumor-driven angiogenesis
Evidence Level: ★★★☆☆

What are the herbal preparations of this plant?

This plant is used to create medicinal herbal preparations such as decoctions, infusions, and topical pastes to treat inflammatory conditions and digestive ailments.

The leaves and bark are often boiled in water to extract bioactive compounds that possess antioxidant properties. These extracts are frequently applied to skin irritations or ingested in small amounts to soothe gastrointestinal distress. Traditional practitioners also incorporate the plant into concentrated tinctures for more potent therapeutic applications.

Such preparations rely on the specific chemical profile of the species to provide relief from various physical discomforts.

Evidence Level: ★☆☆☆☆

What side effects this plant can have?

This plant can cause gastrointestinal distress, skin irritation, and potential interference with blood sugar regulation in some individuals. Consuming parts of the plant may lead to symptoms such as nausea, stomach cramps, or diarrhea. Some users have reported localized allergic reactions or rashes when the plant comes into contact with sensitive skin. Additionally, its chemical properties might alter how the body processes glucose, which is a concern for those managing diabetes. Because these reactions vary depending on the dosage and individual sensitivity, caution is advised when using this species.

The main side effects this plant can have are shown in the list below.

    Evidence Level: ★☆☆☆☆

    What herbs are paired with Garcinia oligantha?

    This plant, Garcinia oligantha, is most effectively paired with ginger, turmeric, and lemongrass to enhance its bioactive properties.

    These specific combinations are often utilized in traditional preparations to balance the plant's inherent acidity and bitter notes. Ginger provides a warming contrast that complements the subtle aromatic profile of the fruit. Turmeric adds a synergistic effect when used in decoctions intended for anti-inflammatory purposes.

    Additionally, lemongrass offers a bright, citrusy top note that integrates smoothly with the heavier botanical elements.

    Evidence Level: ★☆☆☆☆